package com.heima.media.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.heima.common.dto.PageResponseResult;
import com.heima.common.dto.ResponseResult;
import com.heima.common.dto.User;
import com.heima.common.enums.AppHttpCodeEnum;
import com.heima.common.minio.MinIOService;
import com.heima.common.util.MediaThreadLocalUtil;
import com.heima.media.dto.WmMaterialDto;
import com.heima.media.entity.WmMaterial;
import com.heima.media.mapper.WmMaterialMapper;
import com.heima.media.service.IWmMaterialService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.util.Date;

/**
 * <p>
 * 自媒体图文素材信息表 服务实现类
 * </p>
 *
 * @author mcm
 * @since 2022-03-13
 */
@Service
public class WmMaterialServiceImpl extends ServiceImpl<WmMaterialMapper, WmMaterial> implements IWmMaterialService {
    @Autowired
    private MinIOService minIOService;
    @Override
    public ResponseResult<WmMaterial> upload(MultipartFile file) {
        //用户从本地线程获取
        User user = MediaThreadLocalUtil.get();
        if (user==null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.NEED_LOGIN);
        }
        //调用图片地址
        String url = minIOService.upload(file);
        //构建素材对象存入到数据库中
        WmMaterial material = new WmMaterial();
        material.setUserId(user.getUserId());
        material.setUrl(url);
        material.setType(0);
        material.setIsCollection(false);
        material.setCreatedTime(new Date());
        this.save(material);
        return ResponseResult.okResult(material);
    }
//图片列表
    @Override
    public ResponseResult listByCollection(WmMaterialDto dto) {
        //获取当前用户id
        User user = MediaThreadLocalUtil.get();
        if (user==null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.NEED_LOGIN);
        }
        //构建查询条件
        LambdaQueryWrapper<WmMaterial> query = new LambdaQueryWrapper<>();
        //判断是否进入收藏状态
        if (dto.getIsCollection()!=null) {
            query.eq(WmMaterial::getIsCollection, dto.getIsCollection());
        }
        //隐藏条件
        query.eq(WmMaterial::getUserId, user.getUserId());
        //对结果进行排序,根据时间倒序排序徐
        query.orderByDesc(WmMaterial::getCreatedTime);
        //构建分页条件
        IPage<WmMaterial> page = new Page<>(dto.getPage(), dto.getSize());
        //分页查询
        IPage<WmMaterial> iPage = this.page(page, query);
        //构建通用的分页相应
        PageResponseResult result = new PageResponseResult(dto.getPage(), dto.getSize(), iPage.getTotal(), iPage.getRecords());

        return result;
    }

}
